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參數(shù)資料
| 型號(hào)： | IMIB9847BY |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 時(shí)鐘及定時(shí) |
| 英文描述： | LOW SKEW CLOCK DRIVER, 12 TRUE OUTPUT(S), 12 INVERTED OUTPUT(S), PDSO48 |
| 封裝： | SSOP-48 |
| 文件頁(yè)數(shù)： | 5/7頁(yè) |
| 文件大?。?/td> | 64K |
| 代理商： | IMIB9847BY |
B9847
Document #: 38-07197 Rev. **
Page 5 of 7
Notes:
8.
Parameters are guaranteed by design and characterization. Not 100% tested in production.
9.
Refers to transition of non-inverting output.
10.
All differential input and output terminals are terminated with 120
/16 pF as shown in Figure 1.
11. This measurement is applicable to outputs of similar function. SDRAM to SDRAM skew is measured at 1.5V. DDRT/C to DDRT/C skew is measure at crossing
point (VOC). SDRAM to FBOUT skew is measured at 1.5V. DDRT/C to FBOUT skew is measured at 50% (for FBOUT) and at crossing point (VOC) for DDRT/C.
AC Parameters[8]: VDD2.5 = 2.5V + 5%, VDD3.3_2.5 = 3.3V + 5% or 2.5V + 5%, TA = 0°C to +70°C
Parameter
Description
Conditions
Min.
Typ.
Max.
Unit
fCLK
Operating Clock Frequency
60
170
MHz
tDC
Input Clock Duty Cycle
48
52
%
Tr/Tf
DDR Output Clocks Rise/Fall edge rate
20% to 80%
1.0
4.0
V/ns
tDC
Output Duty Cycle
Measured at 1.5V for
3.3V outputs. Measured
at 1.25V for VDD/2V out-
puts
INDC – 2%
INDC + 2%
%
Tr/Tf
SDRAMs Rise/Fall edge rate
0.4V to 2.4V
1.0
4.0
V/ns
SDRAM Propagation Delay SDRAM Input
to SDRAM output
TBD
ns
tpZL, tpZH
Output Enable Time[9]
(all outputs)
3ns
tpLZ, tpHZ
Output Disable Time[9]
(all outputs)
3ns
tPLH
Low-to-High Propagation Delay, BUFIN to
Output
1.5
3.5
6
ns
tPHL
High-to-Low Propagation Delay, BUFIN to
Output
1.5
3.5
6
ns
tSKEW
Any Output to Any Output Skew[10]
Note 11
100
ps
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IMIB9940 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Clocks and Buffers |
| IMIB9940LBL | 制造商:Cypress Semiconductor 功能描述:Clock Driver 2-IN 32-Pin TQFP 制造商:Rochester Electronics LLC 功能描述:CLOCK BUFFER.18 OUTPUTS, 200MHZ, 2.5V . - Bulk |
| IMIB9940LBLT | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:2.5V or 3.3V, 200-MHz, 1:18 Clock Distribution Buffer |
| IMIB9946 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Clocks and Buffers |
| IMIB9946CA | 制造商:Cypress Semiconductor 功能描述:Logic ICS, 3.3V, 160MHz, 1:10 Clock Distribution Buffer 制造商:Rochester Electronics LLC 功能描述:CLOCK BUFFER.18 OUTPUTS, 160MHZ, 3.3V . - Bulk |
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